Who has the exercise of rational number in the first grade of junior high school Any question is OK, as long as the classic point, often test or uncommon questions on the line, can you also send the answer to it

Who has the exercise of rational number in the first grade of junior high school Any question is OK, as long as the classic point, often test or uncommon questions on the line, can you also send the answer to it

A rational number is not an integer, but a fraction. B is a rational number, and they are